From: Abhilash Kesavan Date: Tue, 8 Jun 2010 08:02:08 +0000 (+0900) Subject: ARM: S5PC100: Add support for Compact Flash driver on SMDKC100 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=66194a74c290e7e082c276329ee84d54669c82fc;p=linux-beck.git ARM: S5PC100: Add support for Compact Flash driver on SMDKC100 Following is added for the CF-ATA driver: - Platform data strucure instantiation - Platform device enabling code - Platform-specific gpio setup code Signed-off-by: Abhilash Kesavan Signed-off-by: Kukjin Kim --- diff --git a/arch/arm/mach-s5pc100/Kconfig b/arch/arm/mach-s5pc100/Kconfig index b2a11dfa3399..34350ae59f95 100644 --- a/arch/arm/mach-s5pc100/Kconfig +++ b/arch/arm/mach-s5pc100/Kconfig @@ -25,6 +25,11 @@ config S5PC100_SETUP_I2C1 help Common setup code for i2c bus 1. +config S5PC100_SETUP_IDE + bool + help + Common setup code for S5PC100 IDE GPIO configurations + config S5PC100_SETUP_SDHCI bool select S5PC100_SETUP_SDHCI_GPIO @@ -41,11 +46,13 @@ config MACH_SMDKC100 select CPU_S5PC100 select S3C_DEV_FB select S3C_DEV_I2C1 + select SAMSUNG_DEV_IDE select S3C_DEV_HSMMC select S3C_DEV_HSMMC1 select S3C_DEV_HSMMC2 select S5PC100_SETUP_FB_24BPP select S5PC100_SETUP_I2C1 + select S5PC100_SETUP_IDE select S5PC100_SETUP_SDHCI help Machine support for the Samsung SMDKC100 diff --git a/arch/arm/mach-s5pc100/Makefile b/arch/arm/mach-s5pc100/Makefile index 543f3de5131e..ab3ebe2f5d2a 100644 --- a/arch/arm/mach-s5pc100/Makefile +++ b/arch/arm/mach-s5pc100/Makefile @@ -19,6 +19,7 @@ obj-$(CONFIG_CPU_S5PC100) += dma.o obj-$(CONFIG_S5PC100_SETUP_FB_24BPP) += setup-fb-24bpp.o obj-$(CONFIG_S5PC100_SETUP_I2C1) += setup-i2c1.o +obj-$(CONFIG_S5PC100_SETUP_IDE) += setup-ide.o obj-$(CONFIG_S5PC100_SETUP_SDHCI) += setup-sdhci.o obj-$(CONFIG_S5PC100_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o diff --git a/arch/arm/mach-s5pc100/cpu.c b/arch/arm/mach-s5pc100/cpu.c index 7b5bdbc9a5df..5ce66de1a93d 100644 --- a/arch/arm/mach-s5pc100/cpu.c +++ b/arch/arm/mach-s5pc100/cpu.c @@ -38,6 +38,7 @@ #include #include #include +#include #include #include #include @@ -92,6 +93,7 @@ void __init s5pc100_map_io(void) s3c_i2c1_setname("s3c2440-i2c"); s3c_onenand_setname("s5pc100-onenand"); + s3c_cfcon_setname("s5pc100-pata"); } void __init s5pc100_init_clocks(int xtal) diff --git a/arch/arm/mach-s5pc100/include/mach/irqs.h b/arch/arm/mach-s5pc100/include/mach/irqs.h index 28aa551dc3a8..bfcc0b9d7ad7 100644 --- a/arch/arm/mach-s5pc100/include/mach/irqs.h +++ b/arch/arm/mach-s5pc100/include/mach/irqs.h @@ -38,7 +38,7 @@ #define IRQ_IEMIEC S5P_IRQ_VIC1(6) #define IRQ_ONENAND S5P_IRQ_VIC1(7) #define IRQ_NFC S5P_IRQ_VIC1(8) -#define IRQ_CFC S5P_IRQ_VIC1(9) +#define IRQ_CFCON S5P_IRQ_VIC1(9) #define IRQ_UART0 S5P_IRQ_VIC1(10) #define IRQ_UART1 S5P_IRQ_VIC1(11) #define IRQ_UART2 S5P_IRQ_VIC1(12) diff --git a/arch/arm/mach-s5pc100/include/mach/map.h b/arch/arm/mach-s5pc100/include/mach/map.h index cadae4305688..aa251908f366 100644 --- a/arch/arm/mach-s5pc100/include/mach/map.h +++ b/arch/arm/mach-s5pc100/include/mach/map.h @@ -61,6 +61,8 @@ #define S5PC100_PA_ONENAND (0xE7100000) +#define S5PC100_PA_CFCON (0xE7800000) + /* DMA */ #define S5PC100_PA_MDMA (0xE8100000) #define S5PC100_PA_PDMA0 (0xE9000000) @@ -135,4 +137,6 @@ #define S3C_PA_ONENAND_BUF S5PC100_PA_ONENAND_BUF #define S3C_SZ_ONENAND_BUF S5PC100_SZ_ONENAND_BUF +#define SAMSUNG_PA_CFCON S5PC100_PA_CFCON + #endif /* __ASM_ARCH_C100_MAP_H */ diff --git a/arch/arm/mach-s5pc100/include/mach/regs-clock.h b/arch/arm/mach-s5pc100/include/mach/regs-clock.h index 5d27d286d504..bc92da2e0ba2 100644 --- a/arch/arm/mach-s5pc100/include/mach/regs-clock.h +++ b/arch/arm/mach-s5pc100/include/mach/regs-clock.h @@ -71,7 +71,10 @@ #define S5P_CLKDIV1_PCLKD1_SHIFT (16) #define S5PC100_SWRESET S5PC100_REG_OTHERS(0x000) +#define S5PC100_MEM_SYS_CFG S5PC100_REG_OTHERS(0x200) #define S5PC100_SWRESET_RESETVAL 0xc100 +#define MEM_SYS_CFG_EBI_FIX_PRI_CFCON 0x30 + #endif /* __ASM_ARCH_REGS_CLOCK_H */ diff --git a/arch/arm/mach-s5pc100/mach-smdkc100.c b/arch/arm/mach-s5pc100/mach-smdkc100.c index af22f8202a07..b97830ab396a 100644 --- a/arch/arm/mach-s5pc100/mach-smdkc100.c +++ b/arch/arm/mach-s5pc100/mach-smdkc100.c @@ -42,6 +42,7 @@ #include #include #include +#include /* Following are default values for UCON, ULCON and UFCON UART registers */ #define S5PC100_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \ @@ -149,7 +150,12 @@ static struct s3c_fb_platdata smdkc100_lcd_pdata __initdata = { .setup_gpio = s5pc100_fb_gpio_setup_24bpp, }; +static struct s3c_ide_platdata smdkc100_ide_pdata __initdata = { + .setup_gpio = s5pc100_ide_setup_gpio, +}; + static struct platform_device *smdkc100_devices[] __initdata = { + &s3c_device_cfcon, &s3c_device_i2c0, &s3c_device_i2c1, &s3c_device_fb, @@ -177,6 +183,7 @@ static void __init smdkc100_machine_init(void) i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1)); s3c_fb_set_platdata(&smdkc100_lcd_pdata); + s3c_ide_set_platdata(&smdkc100_ide_pdata); /* LCD init */ gpio_request(S5PC100_GPD(0), "GPD"); diff --git a/arch/arm/mach-s5pc100/setup-ide.c b/arch/arm/mach-s5pc100/setup-ide.c new file mode 100644 index 000000000000..83575671fb59 --- /dev/null +++ b/arch/arm/mach-s5pc100/setup-ide.c @@ -0,0 +1,70 @@ +/* linux/arch/arm/mach-s5pc100/setup-ide.c + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * S5PC100 setup information for IDE + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include +#include +#include + +#include +#include + +void s5pc100_ide_setup_gpio(void) +{ + u32 reg; + u32 gpio = 0; + + /* Independent CF interface, CF chip select configuration */ + reg = readl(S5PC100_MEM_SYS_CFG) & (~0x3f); + writel(reg | MEM_SYS_CFG_EBI_FIX_PRI_CFCON, S5PC100_MEM_SYS_CFG); + + /* CF_Add[0 - 2], CF_IORDY, CF_INTRQ, CF_DMARQ, CF_DMARST, CF_DMACK */ + for (gpio = S5PC100_GPJ0(0); gpio <= S5PC100_GPJ0(7); gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(4)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4); + } + + /*CF_Data[0 - 7] */ + for (gpio = S5PC100_GPJ2(0); gpio <= S5PC100_GPJ2(7); gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(4)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4); + } + + /* CF_Data[8 - 15] */ + for (gpio = S5PC100_GPJ3(0); gpio <= S5PC100_GPJ3(7); gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(4)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4); + } + + /* CF_CS0, CF_CS1, CF_IORD, CF_IOWR */ + for (gpio = S5PC100_GPJ4(0); gpio <= S5PC100_GPJ4(3); gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(4)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4); + } + + /* EBI_OE, EBI_WE */ + for (gpio = S5PC100_GPK0(6); gpio <= S5PC100_GPK0(7); gpio++) + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(0)); + + /* CF_OE, CF_WE */ + for (gpio = S5PC100_GPK1(6); gpio <= S5PC100_GPK1(7); gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + } + + /* CF_CD */ + s3c_gpio_cfgpin(S5PC100_GPK3(5), S3C_GPIO_SFN(2)); + s3c_gpio_setpull(S5PC100_GPK3(5), S3C_GPIO_PULL_NONE); +}